The world’s shortest international bridge is 3.2 meters long. It connects Spain and Portugal.
Despite ancient Roman bridges being the first large and lasting bridges ever built, many are still used despite being around 2,000 years old.
In 1848, to begin construction on the Niagara Falls Suspension Bridge, engineers needed to secure a line across the 800-foot chasm. The lead engineer held a kite-flying contest and eventually paid a local boy $5 for securing the first line over the river.
One out of every four bridges in America either carries more traffic than originally intended or is in need of repair.
On May 24, 1987, 300 000 people walked across the Golden Gate Bridge to celebrate its 50th anniversary. It sagged 7 feet.
There is a tribe in India that has passed down for generations the art of manipulating tree roots to create a system of “living” bridges.